JPH0158472U

JPH0158472U -

Info

Publication number: JPH0158472U
Application number: JP15376387U
Authority: JP
Priority date: 1987-10-07
Filing date: 1987-10-07
Publication date: 1989-04-12

Description

[Brief explanation of the drawing]

第１図は本考案の一例で、透明フイルムの内面
に変色塗料を塗布した状態のパツク状容器の斜視
図、第２図は同バツグ状容器の斜視図、第３図は
同パウチ状容器の斜視図、第４図はパツク状容器
に小片を挾み込んだ状態の断面図である。１……容器、２……透明フイルム、３……変色
塗料、４……図柄、５……食品。 Fig. 1 is an example of the present invention; Fig. 2 is a perspective view of a pack-like container with a color-changing paint applied to the inner surface of the transparent film; Fig. 2 is a perspective view of the same bag-like container; and Fig. 3 is a perspective view of the same pouch-like container. The perspective view and FIG. 4 are sectional views showing a state in which a small piece is inserted into a pack-like container. 1... Container, 2... Transparent film, 3... Color-changing paint, 4... Design, 5... Food.

Claims

[Scope of Claim for Utility Model Registration] (1) When food is hermetically packaged in the form of bags, pouches, or packs using materials that have gas barrier properties, at least a portion of these packaging containers is made transparent, and the inner surface of the transparent portion is sealed. , apply a color-changing paint that changes color depending on the concentration of the sealed protective gas, or apply a small piece coated or impregnated with the color-changing paint to the sealing part of each packaging container, and place a portion of the small piece on the transparent part inside the container. A packaging container capable of detecting and displaying gas concentration, characterized in that it is sandwiched in such a way as to face the gas. (2) A packaging container capable of detecting and displaying gas concentration according to claim 1 of the utility model registration claim, wherein a color-changing paint is applied as part of the design printing of the packaging container.